package com.supe.supertest.test.leakcanary;

/*
 * Copyright (C) 2015 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


import java.io.Serializable;

/**
 * A single field in a {@link com.squareup.leakcanary.LeakTraceElement}.
 */
public final class LeakReference implements Serializable {

    public final LeakTraceElement.Type type;
    public final String name;
    public final String value;

    public LeakReference(LeakTraceElement.Type type, String name, String value) {
        this.type = type;
        this.name = name;
        this.value = value;
    }

    public String getDisplayName() {
        switch (type) {
            case ARRAY_ENTRY:
                return "[" + name + "]";
            case STATIC_FIELD:
            case INSTANCE_FIELD:
                return name;
            case LOCAL:
                return "<Java Local>";
            default:
                throw new IllegalStateException(
                        "Unexpected type " + type + " name = " + name + " value = " + value);
        }
    }

    @Override public String toString() {
        switch (type) {
            case ARRAY_ENTRY:
            case INSTANCE_FIELD:
                return getDisplayName() + " = " + value;
            case STATIC_FIELD:
                return "static " + getDisplayName() + " = " + value;
            case LOCAL:
                return getDisplayName();
            default:
                throw new IllegalStateException(
                        "Unexpected type " + type + " name = " + name + " value = " + value);
        }
    }
}

